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hjlf
3 years ago
7

Mercury’s natural state is where the atoms are close to each other but are still free to pass by each other in witch states coul

d mercury naturally exits?
Physics
2 answers:
Thepotemich [5.8K]3 years ago
7 0

Answer:

In nature, there are 3 common states.

Solid, gas and liquid.

The solids have the atoms really close to each other and in fixed positions, so they have a defined shape, the gases have the atoms far away from each other and are really free, so they only can have a "defined shape" when are inside a closed container. And the liquids have the atoms close to each other but are free, those can take the shape of open containers, for example, water in a glass.

Now, the natural state of mercury is the liquid state at room temperature(you can see this in a mercury thermometer, for example.

And of course, depending on the temperature and pressure this state can change, for example, if the temperature is low enough, the mercury will take a solid-state.

Stels [109]3 years ago
5 0

Mercury's natural state is where the atoms are close to each other but are still free to pass by each other. In which state(s) could mercury naturally exist?

Liquid is the answer

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An airplane is flying with a velocity of 100 m/s at an angle of 25° above the horizontal. When the plane is 114 m directly above
alex41 [277]

Answer:

The suitcase will land 976.447m from the dog.

Explanation:

The velocity in its component in the X and Y axis is decomposed:

Vx= 100m/s × cos(25°)= 90.63m/s

Vy= 100m/s × sen(25°)= 42.26m/s

Time it takes for the suitcase to reach maximum height, the final speed on the axis and at the point of maximum height is zero whereby:

VhmaxY= Voy- 9.81(m/s^2) × t ⇒ t= (42.26 m/s) / (9.81(m/s^2)) = 4.308s

The space traveled on the axis and from the moment the suitcase is thrown until it reaches its maximum height will be:

Dyhmax= Voy × t - (1/2) × 9.81(m/s^2) × (t^2) =

= 42.26m/s × 4.308s - 4.9 (m/s^2)  × (4.308s)^2 =

=182.056m - 90.938m= 91.118m

The time from the maximum height to touching the ground is:

Dtotal y= 114m + 91.118m = (1/2) × 9.81(m/s^2) × (t^2) =

= 205.118m = 4.9 (m/s^2) × (t^2) ⇒ t= (41.818 s^2) ^ (1/2)= 6.466s

The total time of the bag in its rise and fall will be:

t= 4.308s + 6.466s = 10.774s

With this time and the initial velocity at x which is constant I can obtain the distance traveled by the suitcase on the x-axis:

Dx= 90.63 (m/s) × 10.774s = 976.447m

8 0
3 years ago
How does skaters kinetic energy change as he moves down the ramp
lisov135 [29]

Answer:

It increases

Explanation:

6 0
3 years ago
What net force is required to keep a 500 kg object moving with a constant velocity of 10 m/s?
12345 [234]

Answer:

b. 5000N

Explanation:

F = m x a

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5 0
2 years ago
15 POINTS !!!
nirvana33 [79]

#1

As per work energy theorem work done by all forces must be equal to change in its kinetic energy

so correct answer will be

W_{net} = change in kinetic energy


#2

Torque is defined as

\tau = r \times F

\tau = rFsin\theta

so here torque will be maximum when applied force is perpendicular to the rod

so first figure of rod is correct for maximum torque


#3

When car makes turn then its passengers moves outwards which is due to the property of inertia because due to this property passengers has tendency to move in same direction and hence it feels to move outwards

So correct answer will be

<em>inertia</em>


#4

As per energy conservation we can say

initial potential energy = final kinetic energy

PE = KE

KE = mgH

KE = 0.5(9.8)(0.5)

KE = 2.5 J

7 0
3 years ago
An element has 50 protons nd 90 neutrons. will the nucleus breakdown? why or why not?
finlep [7]
Yes because some of them is powerful than the other so can decrease
7 0
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